Electroacupuncture promotes post-stroke functional recovery via enhancing endogenous neurogenesis in mouse focal cerebral ischemia. 2014

Yu Ri Kim, and Ha Neui Kim, and Sung Min Ahn, and Yung Hyun Choi, and Hwa Kyoung Shin, and Byung Tae Choi
Department of Korean Medical Science, School of Korean Medicine, Pusan National University, Gyeongnam, Yangsan, Republic of Korea.

To investigate the question of whether electroacupuncture (EA) promotes functional recovery via enhancement of proliferation and differentiation of neuronal stem cells (NSCs) in ischemic stroke, EA stimulation with 2 Hz was applied at bilateral acupoints to Baihui (GV20) and Dazhui (GV14) in middle cerebral artery occlusion (MCAO) mice. EA stimulation improved neuromotor function and cognitive ability after ischemic stroke. EA stimulation resulted in an increase in the number of proliferated cells, especially in the subventricular zone (SVZ) of the ipsilateral hemisphere. Although a very limited number of NSCs survived and differentiated into neurons or astrocytes, EA treatment resulted in a significant increase in the number of proliferative cells and differentiated cells in the hippocampus and SVZ of the ipsilateral hemisphere compared to MCAO mice. EA stimulation resulted in significantly increased mRNA expression of brain-derived neurotrophic factor (BDNF) and vascular endothelial growth factor (VEGF). Protein levels of these factors were confirmed in the ipsilateral hippocampus and SVZ by immunohistochemical and Western blotting analyses. Expression of phosphorylated phosphatidylinositol-3-kinase, BDNF, and VEGF-mediated down-stream were enhanced by EA stimulation in newly formed neuroblasts. These results indicate that EA treatment after ischemic stroke may promote post-stroke functional recovery by enhancement of proliferation and differentiation of NSCs via the BDNF and VEGF signaling pathway.

UI MeSH Term Description Entries
D008297 Male Males
D008810 Mice, Inbred C57BL One of the first INBRED MOUSE STRAINS to be sequenced. This strain is commonly used as genetic background for transgenic mouse models. Refractory to many tumors, this strain is also preferred model for studying role of genetic variations in development of diseases. Mice, C57BL,Mouse, C57BL,Mouse, Inbred C57BL,C57BL Mice,C57BL Mice, Inbred,C57BL Mouse,C57BL Mouse, Inbred,Inbred C57BL Mice,Inbred C57BL Mouse
D009414 Nerve Growth Factors Factors which enhance the growth potentialities of sensory and sympathetic nerve cells. Neurite Outgrowth Factor,Neurite Outgrowth Factors,Neuronal Growth-Associated Protein,Neuronotrophic Factor,Neurotrophic Factor,Neurotrophic Factors,Neurotrophin,Neurotrophins,Growth-Associated Proteins, Neuronal,Neuronal Growth-Associated Proteins,Neuronotrophic Factors,Neurotrophic Protein,Neurotrophic Proteins,Proteins, Neuronal Growth-Associated,Factor, Neurite Outgrowth,Factor, Neuronotrophic,Factor, Neurotrophic,Factors, Nerve Growth,Factors, Neurite Outgrowth,Factors, Neuronotrophic,Factors, Neurotrophic,Growth Associated Proteins, Neuronal,Growth-Associated Protein, Neuronal,Neuronal Growth Associated Protein,Neuronal Growth Associated Proteins,Outgrowth Factor, Neurite,Outgrowth Factors, Neurite,Protein, Neuronal Growth-Associated
D001921 Brain The part of CENTRAL NERVOUS SYSTEM that is contained within the skull (CRANIUM). Arising from the NEURAL TUBE, the embryonic brain is comprised of three major parts including PROSENCEPHALON (the forebrain); MESENCEPHALON (the midbrain); and RHOMBENCEPHALON (the hindbrain). The developed brain consists of CEREBRUM; CEREBELLUM; and other structures in the BRAIN STEM. Encephalon
D002454 Cell Differentiation Progressive restriction of the developmental potential and increasing specialization of function that leads to the formation of specialized cells, tissues, and organs. Differentiation, Cell,Cell Differentiations,Differentiations, Cell
D002470 Cell Survival The span of viability of a cell characterized by the capacity to perform certain functions such as metabolism, growth, reproduction, some form of responsiveness, and adaptability. Cell Viability,Cell Viabilities,Survival, Cell,Viabilities, Cell,Viability, Cell
D002545 Brain Ischemia Localized reduction of blood flow to brain tissue due to arterial obstruction or systemic hypoperfusion. This frequently occurs in conjunction with brain hypoxia (HYPOXIA, BRAIN). Prolonged ischemia is associated with BRAIN INFARCTION. Cerebral Ischemia,Ischemic Encephalopathy,Encephalopathy, Ischemic,Ischemia, Cerebral,Brain Ischemias,Cerebral Ischemias,Ischemia, Brain,Ischemias, Cerebral,Ischemic Encephalopathies
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D001522 Behavior, Animal The observable response an animal makes to any situation. Autotomy Animal,Animal Behavior,Animal Behaviors
D015671 Electroacupuncture A form of acupuncture with electrical impulses passing through the needles to stimulate NERVE TISSUE. It can be used for ANALGESIA; ANESTHESIA; REHABILITATION; and treatment for diseases.

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